i'm steve kornacki. the u.s. will double its aid to the syrian opposition and kerry was speaking with foreign ministers and the officials in colorado said five snowboarders were killed in avalanche. massachusetts governor patrick said last night that the accused boston marathon bomber is in critical but stable condition. still in no shape to talk to authorities. newly released police infrared 1r video shows when tsarnaev was hiding in a boat friday night. after police rushed to the scene after tip from the resident that found him there. at the london marathon this morning, runners observed a moment of silence from the victims of monday's bombings in boston. and last night hundreds turned out for a vigil to commemorate the week's final fatality. 26-year-old m.i.t. police officer sean collier who was shot and killed thursday night in the line of duty. >>> boston has never in memory had a week as trying as tragic and as nerve racks, as confusing and as sad and as terrifying as this past one. which is what made this